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https://www.readbyqxmd.com/read/28738563/urinary-volatile-fingerprint-based-on-mass-spectrometry-for-the-discrimination-of-patients-with-lung-cancer-and-controls
#1
Álvaro García Ramos, Ana Pérez Antón, Miguel Del Nogal Sánchez, José Luis Pérez Pavón, Bernardo Moreno Cordero
Profile signals of urine samples corresponding to patients with lung cancer and controls were obtained using a non-separative methodology. The method is based on the coupling of a headspace sampler, a programed temperature vaporizer and a mass spectrometer (HS-PTV-MS). With only a centrifugation step as prior sample treatment, the samples were subjected to the headspace generation process and the volatiles generated were introduced into the PTV where they were trapped in the Tenax® packed liner while the solvent was purged...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738516/one-pot-synthesis-of-three-dimensional-mn3o4-microcubes-for-high-level-sensitive-detection-of-head-and-neck-cancer-drug-nimorazole
#2
Rajaji Umamaheswari, Muthumariappan Akilarasan, Shen-Ming Chen, Yi-Hui Cheng, Veerappan Mani, Sakthivel Kogularasu, Fahad M A Al-Hemaid, M Ajmal Ali, Xiaoheng Liu
We described a three-dimensional Mn3O4 microcubes (3D-Mn3O4MCs) synthesised via a facile hydrothermal route for the determination of nimorazole (NMZ), an important drug that used in the treatment of head and neck cancer. The 3D-Mn3O4 MCs possess large active area and high conductivity, and 3D-Mn3O4 MCs film modified screen-printed carbon electrode (3D-Mn3O4MCs/SPCE) was fabricated which displayed excellent electrocatalytic ability towards NMZ. Under optimised working conditions, the modified electrode responded linearly to NMZ in the 0...
July 4, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28738424/use-of-high-throughput-in-vitro-toxicity-screening-data-in-cancer-hazard-evaluations-by-iarc-monograph-working-groups
#3
Weihsueh A Chiu, Kathryn Z Guyton, Matthew T Martin, David M Reif, Ivan Rusyn
Evidence regarding carcinogenic mechanisms serves a critical role in International Agency for Research on Cancer (IARC) Monograph evaluations. Three recent IARC Working Groups pioneered inclusion of the US Environmental Protection Agency (EPA) ToxCast program high-throughput screening (HTS) data to supplement other mechanistic evidence. In Monograph V110, HTS profiles were compared between perfluorooctanoic acid (PFOA) and prototypical activators across multiple nuclear receptors. For Monograph V112 -113, HTS assays were mapped to 10 key characteristics of carcinogens identified by an IARC expert group, and systematically considered as an additional mechanistic data stream...
July 24, 2017: ALTEX
https://www.readbyqxmd.com/read/28738387/false-negative-rate-of-papanicolaou-testing-a-national-survey-from-the-thai-society-of-cytology
#4
Supinda Koonmee, Andrey Bychkov, Somruetai Shuangshoti, Kanyaprin Bhummichitra, Wanwisa Himakhun, Anant Karalak, Samreung Rangdaeng
OBJECTIVE: To evaluate the performance of Papanicolaou smear screening in Thailand at the national level, and to propose recommendations for continuing quality control. STUDY DESIGN: This study was conducted by The Thai Society of Cytology and involved 124 laboratories in 76 provinces during 2010-2014. Random sampling suggested recalling of 10% of slides defined as negative at routine screenings (10% random rescreening [R10] model) directly from the reading unit...
July 25, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28738042/cognitive-screening-using-the-clock-drawing-test-to-assess-for-preexisting-deficits-in-older-women-diagnosed-with-breast-cancer%C3%A2
#5
Janine Overcash, Maddy Perry
BACKGROUND: Older women diagnosed with breast cancer may also have preexisting cognitive deficits.
. OBJECTIVES: The aim of the current study is to describe errors on the clock-drawing test (CDT), which is used to screen for preexisting cognitive deficits in older women diagnosed with breast cancer.
. METHODS: This descriptive study included a convenience sample of women aged 69 years or older with a diagnosis of breast cancer. The CDT was used to screen for cognitive deficits, such as size of the clock, graphic difficulties, stimulus-bound response, conceptual deficit, spatial and/or planning deficit, and perseveration...
August 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28737996/integrating-palliative-and-oncology-care-for-patients-with-advanced-cancer-a-quality-improvement-intervention
#6
Laura C Hanson, Frances Collichio, Stephen A Bernard, William A Wood, Matt Milowsky, Erin Burgess, Crista J Creedle, Summer Cheek, Lydia Chang, Bhisham Chera, Alexandra Fox, Feng-Chang Lin
BACKGROUND: Practice guidelines recommend palliative care for patients with advanced cancer, but gaps in access and quality of care persist. OBJECTIVE: To increase goals-of-care (GOC) communication for hospitalized patients with Stage IV cancer. METHODS: An interdisciplinary team designed a quality improvement intervention to enhance oncology palliative care, including training in communication skills and triggers for palliative care consults...
July 24, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28737648/who-is-responsible-for-what-happens-before-during-and-after-colonoscopy-results-of-a-national-survey-of-primary-care-physicians
#7
Andrew J Read, Arlene Weissman, Philip S Schoenfeld, Seema Saini, Stacy B Menees, Sameer D Saini
BACKGROUND AND AIMS: Primary care providers (PCPs) play a critical role in colon cancer screening by initiating referrals to gastroenterologists for colonoscopy, but little is known about their role in pre-colonoscopy bowel preparation selection and pre-colonoscopy follow-up care. This study aimed to better understand coordination of care between PCPs and gastroenterologists as well as the current availability of "open-access" screening colonoscopy. METHODS: A multiple-choice survey was developed to assess PCPs' experiences with open-access colonoscopy, their involvement in the pre-colonoscopy process, and follow-up after colonoscopy...
July 21, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28737377/carbon-dot-based-naphthalimide-coupled-fret-pair-for-highly-selective-ratiometric-detection-of-thioredoxin-reductase-and-cancer-screening
#8
Jagpreet Singh Sidhu, Ashutosh Singh, Neha Garg, Narinder Singh
The Fluorescence resonance energy transfer (FRET) mechanism has been established between the carbon dots (CDs) and naphthalimide to monitor the activity of thioredoxin reductase (TrxR), which is often overexpressed in many cancer cells. The naphthalimide moiety was covalently attached to the surface of CDs through a disulfide linkage. In the normal cell conditions (when devoid of high concentrations of TrxR), the CDs act as an energy donor and naphthalimide acts as an acceptor, which establishes the FRET pair as interpreted from the emission at λem =565 nm, when excited at λex =360 nm...
July 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28736972/reduced-risk-of-emergency-admission-for-colorectal-cancer-associated-with-introduction-of-bowel-cancer-screening-across-england-retrospective-national-cohort-study
#9
J Geraghty, M Shawihdi, E Devonport, S Sarkar, M G Pearson, K Bodger
AIM: We examined whether roll out of the bowel cancer screening programme (BCSP) across England was associated with a reduced risk of emergency hospital admission for people presenting with colorectal cancer (CRC) during this period. METHOD: This is a retrospective cohort study of 27,763 incident cases of CRC over a 1-year period during the roll-out of screening across parts of England. The primary outcome was the number of emergency (unplanned) hospital admissions during the diagnostic pathway...
July 24, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28736862/quality-management-of-ultrasound-surveillance-for-hepatocellular-carcinoma-under-the-korean-national-cancer-screening-program
#10
Moon Hyung Choi, Seung Eun Jung, Joon-Il Choi, Woo Kyoung Jeong, Hyun Cheol Kim, Yongsoo Kim, Yeol Kim, Boyoung Park
OBJECTIVES: The aim of this study was to investigate the quality of ultrasound (US) examinations for hepatocellular carcinoma surveillance under the Korean National Cancer Screening Program and to assess knowledge and experience about liver US of physicians who perform US examinations. METHODS: The investigation about the quality of liver US for hepatocellular carcinoma screening was based on the results of a nationwide quality assurance (QA) evaluation between 2012 and 2014 at all medical institutions participating in the National Cancer Screening Program...
July 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28736848/the-risk-of-colorectal-neoplasia-can-be-different-according-to-the-types-of-family-members-affected-by-colorectal-cancer
#11
Nam Hee Kim, Hyo-Joon Yang, Soo-Kyung Park, Jung Ho Park, Dong Il Park, Chong Il Sohn, Yoon Suk Jung
BACKGROUND: A family history of colorectal cancer (CRC) is an important risk factor for CRC, but more detailed data are needed to prepare effective screening guidelines. We aimed to evaluate the risk of colorectal neoplasia (CRN) among individuals with different relatives affected by CRC (the first-degree relatives [FDRs] or the second-degree relatives [SDRs] or the first cousins) and to assess the effects of family histories according to age groups (30-39, 40-49, and ≥50 years). METHODS: A cross-sectional study was performed on 98,562 asymptomatic examinees aged ≥ 30 years who underwent colonoscopy as part of a health check-up...
July 24, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28736531/assessment-of-hepatocellular-carcinoma-metastasis-glycobiomarkers-using-advanced-quantitative-n-glycoproteome-analysis
#12
Tianhua Liu, Shuxin Shang, Wei Li, Xue Qin, Lu Sun, Shu Zhang, Yinkun Liu
Hepatocelluar carcinoma (HCC) is one of the most common malignant tumors with high incidence of metastasis. Glycosylation is involved in fundamental molecular and cell biology process occurring in cancer including metastasis formation. In this study, lectin microarray, lectin blotting, lectin affinity chromatography and tandem (18)O stable isotope labeling coupled with liquid chromatography-mass spectrometer (LC-MS) analysis were applied to quantify the changes in N-glycosite occupancy for HCC metastasis serum...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28736250/change-in-prostate-cancer-presentation-coinciding-with-uspstf-screening-recommendations-at-a-community-based-urology-practice
#13
Franklin D Gaylis, Jae E Choi, Zachary Hamilton, Paul Dato, Edward Cohen, Renee Calabrese, Hilary Prime, Aaron Rosenbaum, Andrew Karim Kader
OBJECTIVE: The benefits of prostate-specific antigen (PSA)-based prostate cancer screening are controversial. We sought to determine the change in prostate cancer presentation coinciding with the release of the United States Preventative Services Task Force recommendations against screening in a high-volume community-based urology practice. METHODS: Characteristics of men presenting for an elevated PSA at a community urology practice from August 2011 to August 2015 were queried from a prospectively collected database...
July 20, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28736238/the-pursuit-of-therapeutic-biomarkers-with-high-throughput-cancer-cell-drug-screens
#14
REVIEW
Steven P Williams, Ultan McDermott
In the last decade we have witnessed tremendous advances in our understanding of the landscape of the molecular alterations that underpin many of the most prevalent cancers, in the use of automated high-throughput platforms for high-throughput drug screens in cancer cells, in the creation of more clinically relevant cancer cell models, and lastly in the development of more useful computational approaches in the pursuit of biomarkers of drug response. Separately, each of these improvements will undoubtedly lead to improvements in the treatment of cancer patients but to fulfill the promise of truly personalized cancer medicine, we must bring these disciplines together in a truly multidisciplinary fashion...
July 12, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28736233/continued-increase-in-melanoma-incidence-across-all-socioeconomic-status-groups-in-california-1998-2012
#15
Christina A Clarke, Meg McKinley, Susan Hurley, Robert W Haile, Sally L Glaser, Theresa H M Keegan, Susan M Swetter
Melanoma incidence has been increasing in light-skinned populations worldwide, but the reasons for the increase have been controversial. Our prior assessment in California non-Hispanic whites showed substantial increases in invasive melanoma incidence for tumors of all thicknesses in all neighborhoods categorized by socioeconomic status (SES) between 1988-1992 and 1998-2002. To understand whether these trends continued, we updated our assessment to include the diagnosis period 2008-2012 and more accurate pathologic stage at diagnosis...
July 20, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28736138/how-viral-genetic-variants-and-genotypes-influence-disease-and-treatment-outcome-of-chronic-hepatitis-b-time-for-an-individualized-approach
#16
REVIEW
Neil Rajoriya, Christophe Combet, Fabien Zoulim, Harry L A Janssen
Chronic hepatitis B virus (HBV) infection remains a global problem. Several HBV (sub)genotypes exist with different biology and geographical preponderances. While the future aim of HBV treatment remains virus eradication, current strategies of treatment aim to suppress the virus and prevent the progression of liver disease. Current strategies also involve identification of patients for treatment - those at risk of progressive liver disease. Identification of HBV genotype, HBV mutants and other predictive factors allow for tailored treatments, and also risk-surveillance pathways such as for hepatocellular cancer screening...
July 20, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28735743/exposure-to-meat-derived-carcinogens-and-bulky-dna-adduct-levels-in-normal-appearing-colon-mucosa
#17
Vikki Ho, Vanessa Brunetti, Sarah Peacock, Thomas E Massey, Roger W L Godschalk, Frederik J van Schooten, Janet E Ashbury, Stephen J Vanner, Will D King
INTRODUCTION: Meat consumption is a risk factor for colorectal cancer. This research investigated the relationship between meat-derived carcinogen exposure and bulky DNA adduct levels, a biomarker of DNA damage, in colon mucosa. METHODS: Least squares regression was used to examine the relationship between meat-derived carcinogen exposure (PhIP and meat mutagenicity) and bulky DNA adduct levels in normal-appearing colon tissue measured using (32)P-postlabelling among 202 patients undergoing a screening colonoscopy...
September 2017: Mutation Research
https://www.readbyqxmd.com/read/28735068/primary-metastatic-breast-cancer-in-the-era-of-targeted-therapy-prognostic-impact-and-the-role-of-breast-tumour-surgery
#18
Jana Barinoff, Marcus Schmidt, Andreas Schneeweiss, Winfried Schoenegg, Marc Thill, Stella Keitel, Claus R Lattrich, Axel Hinke, Andreas Kutscheidt, Christian Jackisch
BACKGROUND: Except for meeting the individual palliative need, the benefit of breast surgery in primary metastatic breast cancer (PMBC), also known as de novo metastatic breast cancer, on long-term outcomes remains controversial. Twenty-four hundred and one patients with metastatic breast cancer, enrolled between 2000 and 2011 in two prospective non-interventional studies on targeted therapy, were screened with respect to this question. METHODS: One study investigated trastuzumab therapy for human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer in addition to mainly first-line chemotherapy...
July 20, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28734882/opioid-prescribing-among-cancer-and-non-cancer-patients-time-trend-analysis-in-the-elderly-using-administrative-data
#19
Lisa Barbera, Rinku Sutradhar, Anna Chu, Hsien Seow, Doris Howell, Craig C Earle, Mary Ann O'Brien, Deb Dudgeon, Clare Atzema, Amna Husain, Ying Liu, Carlo DeAngelis
BACKGROUND: In 2007, Cancer Care Ontario introduced a provincial symptom screening program, which included pain, for cancer patients. Over this same time, opioid prescribing has been increasingly scrutinized among non-cancer patients. The study purpose was to see if opioid prescribing changed among older adults after 2007 in the context of changing opioid regulations, and whether effects were different among patients with a cancer history. METHODS: Ontario residents aged ≥65 were identified from 2004 to 2013...
July 19, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28734830/active-choice-and-financial-incentives-to-increase-rates-of-screening-colonoscopy-a-randomized-controlled-trial
#20
Shivan J Mehta, Jordyn Feingold, Matthew Vandertuyn, Tess Niewood, Catherine Cox, Chyke A Doubeni, Kevin G Volpp, David A Asch
Behavioral economic approaches could increase uptake for colorectal cancer screening. We performed a randomized controlled trial of 2245 employees to determine whether an email containing a phone number for scheduling (control), an email with the active choice to opt in or opt out (active choice), or the active choice email plus a $100 incentive (financial incentive) increased colonoscopy completion within 3 months. Higher proportions of participants in the financial incentive group underwent screening (3.7%) than in the control (1...
July 19, 2017: Gastroenterology
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